package com.imooc.controller;

import com.imooc.config.ProjectUrlConfig;
import com.imooc.enmus.ResultEnum;
import com.imooc.exception.SellException;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import java.net.URLEncoder;


@Controller
@RequestMapping("/wechat")
@Slf4j
public class WechatController {
//    @GetMapping("/authorize")
//    public void auth(@RequestParam("returnUrl") String code){
//        log.info("进入auth方法");
//        log.info("code = {}",code);
//
//        String url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=wxd4908aee113984e3&secret=b979deb8601622925aeb4b0640e916dc&code="+code+"&grant_type=authorization_code";
//
//        RestTemplate restTemplate = new RestTemplate();
//        String response = restTemplate.getForObject(url, String.class);
//        log.info("response={}",response);
//    }
    @Autowired
    private WxMpService wxMpService;
    @Autowired
    private WxMpService wxOpenService;
    @Autowired
    private ProjectUrlConfig projectUrlConfig;

    /**
     * @Author Skye
     * @Description 
     * @Date 2018/11/14 16:01
     * @Param [returnUrl]
     * @Return void
     **/
    @GetMapping("/authorize")
        public String authorize(@RequestParam("returnUrl") String returnUrl){
        String url = projectUrlConfig.getWechatMpAuthorize() + "/sell/wechat/userInfo";
        String redirectUrl = wxMpService.oauth2buildAuthorizationUrl(url, WxConsts.OAUTH2_SCOPE_BASE, URLEncoder.encode(returnUrl));
        log.info("redirectUrl={}", redirectUrl);
        return "redirect:" + redirectUrl;
    }
    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code") String code,
                         @RequestParam("state") String returnUrl){
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken ;

        try {
            wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(code);
        }catch (WxErrorException e){
            log.error("【微信网页授权】,{}",e);
            throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(), e.getError().getErrorMsg());
        }
        String openId = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:" + returnUrl + "?openid=" + openId;

    }

    @GetMapping("/qrAuthorize")
    public String qrAuthorize(@RequestParam("returnUrl") String returnUrl){
        String url = projectUrlConfig.getWechatOpenAuthorize()+"/sell/wechat/qrUserInfo";
        String redirectUrl = wxOpenService.buildQrConnectUrl(url,WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN, returnUrl );
        log.info("redirectUrl={}", redirectUrl);
        return "redirect:" + redirectUrl;
    }
    @GetMapping("/qrUserInfo")
    public String qrUserInfo(@RequestParam("code") String code,
                           @RequestParam("state") String returnUrl){
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken ;

        try {
            wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(code);
        }catch (WxErrorException e){
            log.error("【微信网页授权】,{}",e);
            throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(), e.getError().getErrorMsg());
        }
        log.info("wxMpOAuth2AccessToken = {}", wxMpOAuth2AccessToken);
        String openId = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:" + returnUrl + "?openid=" + openId;

    }

}
